Penetration Grade Bitumen 60/70

By: Benzene International Pte Ltd  30/05/2012
Keywords: Bitumen Exporters , Bitumen Waterproofing, Oxidized Bitumen, Bitumen Exporters, Viscosity Grade Bitumen,Penetration Grade Bitumen,

Bitumen is a non-crystalline viscous material, black or dark brown, which is substantially soluble in carbon disulphide (CS2), possessing adhesive and water-proofing qualities. It consists essentially of hydrocarbons and would typically comprise at least 80% carbon and 15% hydrogen, the remainder being oxygen, sulphur, nitrogen and traces of various metals. Asphalt is a word with different meanings. In American usage asphalt, or, in full, asphalt cement, is used to mean bitumen (or bitumen binder). In the term 'rock asphalt' it defines a mineral substance that may be impregnated with bitumen or pitch. Outside America the word asphalt means a mixture of bitumen and mineral aggregates laid as a road surface. Penetration Grade Bitumen is commonly used in road surfacing, and some industrial applications. Additional processing yields other grades of bitumen products and their application. Penetration Test determines the hardness of Bitumen by measuring the depth ( in tenths of a mm) to which a standard, and loaded needle will vertically penetrate in 5 seconds, a sample of Bitumen maintained at a temperature of 25 deg C ( 77deg F). Hence the softer the bitumen, the greater will be its number of penetration units. (80/100, 60/70, 40/50)

Keywords: Bitumen Exporters , Bitumen Waterproofing, Oxidized Bitumen, Bitumen Exporters, Viscosity Grade Bitumen,Penetration Grade Bitumen,

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